Which of these examples is a drawback to time series study designs?
a. The control group discovers the treatment, and thus seeks treatment themselves.
b. The experimental group receives too much treatment.
c. Experimental groups are overcompensated for their time.
d. Validity can be increased when both control and experimental groups know about
a. The control group discovers the treatment, and thus seeks treatment themselves.
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The experiment by Meaney and colleagues (Meaney, 2010; Weaver et al., 2004) on rats raised by nurturant and non-nurturant mothers concluded that early experience __________.
A. cannot modify gene expression B. can modify gene expression if it starts before birth C. can modify gene expression D. has no impact on gene expression
Once in the uterus, the zygote
a. stops dividing into more cells. b. becomes implanted immediately. c. wanders around for 3 or 4 days before becoming implanted. d. is now called a fetus.
Which structure consists of the medulla, the pons, and the cerebellum?
a. hindbrain b. reticular formation c. midbrain d. forebrain
Martin Seligman’s initial research on learned helplessness was done with ____
a. ?dogs b. ?infants c. ?adults d. ?monkeys